Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o número CR mais alto?
 ###Tabelas: CREATE TABLE list_of_fina_diving_world_series (list_of_fina_diving_world_series_id AUTO_INCREMENT PRIMARY KEY, Year INT, 1st Venue VARCHAR, 2nd Venue VARCHAR, 3rd Venue VARCHAR, 4th Venue VARCHAR, 5th Venue VARCHAR) CREATE TABLE numbers_and_names (numbers_and_names_id AUTO_INCREMENT PRIMARY KEY, HR no. VARCHAR, HR name VARCHAR, CR no. INT, LMS no. INT, Built VARCHAR, Works VARCHAR, Withdrawn VARCHAR) CREATE TABLE emd (emd_id AUTO_INCREMENT PRIMARY KEY, PRR Class VARCHAR, Builder’s Model VARCHAR, Build date VARCHAR, Total produced INT, Wheel arrangement VARCHAR, Service VARCHAR, Power output VARCHAR) CREATE TABLE miss_earth_titleholders (miss_earth_titleholders_id AUTO_INCREMENT PRIMARY KEY, Year INT, Finals Venue VARCHAR, Location VARCHAR, Pageant Date VARCHAR, Number of Delegates VARCHAR) CREATE TABLE initial_composition_of_the_2nd_parliament (initial_composition_of_the_2nd_parliament_id AUTO_INCREMENT PRIMARY KEY, Member VARCHAR, Electorate VARCHAR, Province VARCHAR, MP's term VARCHAR, Election date VARCHAR)  
SELECT MAX CR no. FROM numbers_and_names